Why are lab safety rules important? I’m currently doing an essay with minimum of 250 words. You don’t really have to do that but can y’all give me some facts/ideas to put in my essay? Thank you and good day <3

Answers

Answer 1

Answer:

u have to always wear ur science goggles all the timke, and when u take it off, u have to be looking the opposite direction, always wear gloves, no messing around near the chemicals, always be careful

Explanation:

pls mark brainliet


Related Questions

Explain the role of carbon dioxide in photosynthesis?

Answers

Answer:

during the process of photosynthesis, cells use carbon dioxide and energy from the sun to make sugar moleculezs and oxygen..... then, via respiration processes, cells use oxygen and glucose to synthesize energy- rich carier molecules such as ATP, and carbon dioxide is produced as a waste product.

Explanation:

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Carbon dioxide is a key reactant in the process of photosynthesis, providing carbon and oxygen for glucose molecules.

I don't understand what this is saying, could someone help to me better understand?

Write out the equation for photosynthesis (label the reactants and products, circle the waste products)

Answers

Answer:

6CO2 + 6H20 + (energy) → C6H12O6 + 6O2 Carbon dioxide + water + energy from light produces glucose and oxygen.

Explanation:

17. At the end of their biology unit, 7th grade students were asked to make a glossary of biological terms. Which student did the best job of defining the word "heredity"?​

Answers

Answer:

The question is incomplete, I found a matching question online:

At the end of their biology unit, 7th grade students were asked to make a glossary of biological terms. Which student did the best job of defining the word "heredity"?​

A) Kendall- Heredity is the study of chromosomes and the genes that they contain.

B) Carla- Heredity is the passing of genetic information contained in chromosomes from one generation to the next.

C) Joseph- Heredity is the study of human characteristics passed down from parent to offspring.

D) Devon- Heredity is the reason that tall parents will usually have tall children.

Answer:

The correct answer is:

Carla- Heredity is the passing of genetic information contained in chromosomes from one generation to the next. (B)

Explanation:

Heredity, also known as inheritance is the passing down of genetic traits and genetic information from parents to their offspring through reproduction (sexual or asexual), and this information is contained in DNA materials called chromosomes.

Carla's definition most appropriatly captures the context of genetics, while Kendall and Joseph rather defined "genetics", which is the study of heredity.

Devon did not give a definition, but rather an example.

Are chemosynthetic bacteria autotrophs or heterotrophs?

Answers

Answer:

autotrophs

Explanation:

they can produce thier own energy and whatnot without the need of an outside source such as the sun for example

Chemosynthetic bacteria are capable of oxidising various inorganic substances such as nitrates, nitrites and ammonia and use the energy released for their ATP production. So, they are autotrophs and not

Which statement is best supported by the data in the graph?

Answers

Answer:

I cant answer this I need the graph and the statements

Answer:

you need the graph

Explanation:

How many reactions that occur in kreb cycle transfer electrons from substrate to an electron acccepting enzyme

Answers

Answer:

Four reactions that occur in kreb cycle transfer electrons from substrate to an electron accepting enzyme.

Explanation:

There is four such a response in which electron is transported from substrate to electron-allowing enzyme. In three of those, NAD+ is decreased to NADH and in one FAD decreases to FADH2. The TCA cycle is likewise recognized as the Krebs cycle after the signature of English biochemist Hans Kreb who illustrated the pathway in the 1930s.

the long-distance runner is running at a constant speed of 5 m/s. how long does it take the runner to travel 1 km?​

Answers

200 seconds, or 3 minutes and 20 seconds.

1 km= 1000 meters

1000 meters divided by 5 meters every second, means that it’ll take 200 seconds to go that distance.

How does a DNAmolecule produce copies of itself?

Answers

Explanation:

DNA replication is the process by which DNA makes a copy of itself during cell division. ... The separation of the two single strands of DNA creates a 'Y' shape called a replication 'fork'. The two separated strands will act as templates for making the new strands of DNA.

Which goes where ? Mitosis Vs. Meiosis

Answers

Answer:

Mitosis, Meiosis, and both are written below

Explanation:

Mitosis: produces more somatic (body) cells, purpose is for healing and growing, the daughter cells are exact replicas

This is because mitosis occurs in body cells and is used for growth, so all the daughter cells are the same.

Meiosis: results in sex cells (gametes), results in eggs and sperm, purpose is for creating new individuals (eventually), each daughter cell is different, has 2 separate division stages

This is because meiosis occurs in gametes and is used in reproduction.

Both: Chromosomes need to replicate before the whole process begins, a form of reproduction

This is because both are reproducing (they are dividing) and DNA must be replicated so each daughter cell has it.  

Identify how scientists use radioactive isotopes by selecting the best answers from the drop-down menus.



Archaeologists use radioactive isotopes to
.

Scientists use radioactive isotopes in agriculture to
.

Geologists use radioactive isotopes to
.

Answers

Answer:

1. Archaeologist use radioactive isotopes to determine the ages of various objects, rocks and materials. This is called radioactive dating. Radioactive isotope Carbon-14 is widely used for this dating process.

2. Scientists use radioactive isotopes in agriculture to monitor or study the uptake and use of essential nutrients by plants from the soil. This helps to determine viability, productivity and nutritious ability of the plants on a piece of land.

3. Geologists commonly use radiometric dating methods, based on the natural radioactive decay of certain elements such as potassium and carbon, as reliable clocks to date ancient events. ... Atoms of the same element but with different number of neutrons are called isotopes of that element.

Answer:C: Determine the age of ancient artifacts.A: Understand the biological and chemical processes in plants.B: Determine the age of rocks and fossils.

Explanation:i got the answers right on the assignment.

Which the following is an example of commensalism

Please help

Answers

Answer: A is the correct answer.

Explanation: Since commensalim is when one organism benefits and the other neither benefits nor gets harmed, A would be the correct answer because the lice are using the flies for transportation, and the flies aren't getting harmed.

List two types of chemical erosion

Answers

Answer:Oxidation and Hydrolysis

Answer:

The most vivid examples of chemical erosion are caves and sinkholes created in areas with a lot of underground limestone that ends up dissolving from acidic groundwater.

Explanation:

Hydrolysis - the breakdown of rock by acidic water to produce clay and soluble salts. Oxidation - the breakdown of rock by oxygen and water, often giving iron-rich rocks a rusty-coloured weathered surface.

You can use either examples

1. the process by which organisms produce new organisms of the same type ____________________

Answers

Answer:

reproduction

Explanation:

What type of rock makes up these layers that help us study the history of the earth

Answers

Answer:

Sedimentary rocks

By studying sedimentary rocks from the Earth's crust, we can learn about the history of how Earth's surface has changed over time

Explanation:

Answer:

Sedimentary rocks is the answer

Explanation:

NADP+ is converted into NADPH during the light-dependent reactions. Where does the hydrogen
come from?

Answers

It comes from the splitting of water, in the form of hydrogen ions. Oxygen is released as a by-product.

What happens during aerobic respiration? А Oxygen is produced. B Glucose is produced. С Lactic acid and oxygen are produced. D ATP, water and carbon dioxide are produced.​

Answers

Answer:

Your answer is D).

What are proteins that are found on the surface of some red blood cells.
genes
alleles
antigens
immunoglobins

Answers

Alleles would be the proteins

Human activities have which type of impact on the environment?

a) positive
b) negative
c) neither a nor b
d) both a and b

Answers

both a and b
example: we plant which is positive and we litter which is negative good luck ❤️
D humans can have both positive and negative impacts on the environment

Explain the process of how air flows through the Respiratory System? In three sentences.

Answers

Answer:

The respiratory system is a biological system consisting of specific organs and structures used for gas exchange in animals and plants. The anatomy and physiology that make this happen varies greatly, depending on the size of the organism, the environment in which it lives and its evolutionary history. In land animals the respiratory surface is internalized as linings of the lungs. Gas exchange in the lungs occurs in millions of small air sacs; in mammals and reptiles these are called alveoli, and in birds they are known as atria. These microscopic air sacs have a very rich blood supply, thus bringing the air into close contact with the blood. These air sacs communicate with the external environment via a system of airways, or hollow tubes, of which the largest is the trachea, which branches in the middle of the chest into the two main bronchi. These enter the lungs where they branch into progressively narrower secondary and tertiary bronchi that branch into numerous smaller tubes, the bronchioles. In birds the bronchioles are termed parabronchi. It is the bronchioles, or parabronchi that generally open into the microscopic alveoli in mammals and atria in birds. Air has to be pumped from the environment into the alveoli or atria by the process of breathing which involves the muscles of respiration.

Explanation:

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Altos niveles de ATP en la célula son necesarios para realizar ciertas funciones vitales tales como reproducirse.A qué piensas que se deba esto

Answers

Answer:

el ATP es la moneda energética que la célula utiliza para llevar a cabo diversas funciones metabólicas (incluida la reproducción)  

Explanation:

La adenosín trifosfato (ATP) es la principal fuente de energía para la mayor parte de los procesos celulares. La hidrólisis del ATP libera energía química almacenada en los enlaces de fosfato de la molécula, la cual es utilizada por la célula para llevar a cabo diversas funciones, incluida la reproducción. La hidrólisis de ATP genera en primera instancia adenosín difosfato (ADP) y un grupo fosfato libre (ortofosfato), esta es una reacción exergónica que libera una enorme cantidad de energía la cual es utilizada por la célula para llevar a cabo diversas funciones metabólicas incluyendo la síntesis de macromoléculas tales como, por ejemplo, proteínas del huso mitótico requeridas durante el proceso de división celular. El ADP también puede hidrolizarse para liberar energía, con la consecuente producción de adenosín monofosfato (AMP) y un segundo fosfato libre.



Fill in the numbers

Answers

3. golgi apparatus
2. rough endoplasmic
1. cytoplasm
i tried my best

please help me:( please

Answers

Answer:

1. F

2.T

3.F

Explanation:

What type of consumers are secondary consumers? ​

Answers

Answer:Tertiary consumers eat the secondary consumers and are usually carnivores (meat eaters).Secondary consumers are organisms that eat primary consumers for energy. Primary consumers are always herbivores, or organisms that only eat autotrophic plants. However, secondary consumers can either be carnivores or omnivores. Carnivores only eat other animals, and omnivores eat both plant and animal matter.

Explanation:

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HELP ME SOMEONE PLZ I REALLY NEED HELP
What are the possible effects of contaminated water on the health of an individual or community? Explain your answer in terms of what causes the contamination, the types of infectious agents involved in the related diseases, and how these diseases can spread. (5 points)

Answers

Answer:

Some possible affects of contaminated water on the health of an individual are, reproductive problems, gastrointestinal illness, cancer, and neurological disorders. Contaminated water can be caused by natural chemicals and minerals like radon, uranium, etc. Contaminated water could also be caused like wastewater releases or sewers overflowing. Some infectious agents involved in the related diseases would be bacteria, viruses, helminths and even protozoa. These diseases can spread through drinking the water, airborne, or just contact with the water or infectious agents.

Explanation:

Hope this helps :-)

What method can scientists use to
determine when the fossil above appeared
on Earth?

Answers

Answer:

Relative dating is used to determine a fossils approximate age by comparing it to similar rocks and fossils of known ages. Absolute dating is used to determine a precise age of a fossil by using radiometric dating to measure the decay of isotopes, either within the fossil or more often the rocks associated with it.

Explanation:


why nitrogen needs to be cycled around
the environment?

Answers

Answer:

nitrogen is an essential nutrient for sustaining life on earth, without it, plants would die, then herbivores due to starvation, and so on

Explanation:

Regular sequence of growth and division that cells undergo.
A. cell cycle
B. Mitosis
C. Interphase

Answers

Answer:

Cell Cycle

Explanation:

how can use of fertilizers affect respiratory health?

a) they directly produce gas particles of air pollution

b) they can contaminate bodies of water

c) they can contain contaminants that can enter the air during storms or high winds

d) fertilizer use does not impact respiratory health

Answers

Answer: C) They can contain contaminants that can enter the air during storms or high winds.

Explanation: A is wrong because I got it wrong (Sorry, can't give much explanation there).

B is wrong because water contamination does not directly relate to respiratory health.

D is wrong because fertilizers can impact respiratory health (Explanation seems lack-luster, but I feel like this is common sense).

Hope this helps :)

Answer:

C

Explanation:

They can contain contaminants that can enter the air during storms or high winds.

One result of climate change is that ocean temperatures are increasing. If the temperatures continue to rise, what effect will that have on the oceans’ ability to retain CO2? How might this change affect the atmosphere? THIS IS SCIENCE WOULDNT LET ME SELECT IT

Answers

Answer:

See explanation

Explanation:

There is an equilibrium that exists between the carbon dioxide in the air and the carbon dioxide in the oceans. The temperature of the water affects its ability to hold carbon dioxide.

Hence, as the global temperature continues to rise and the water becomes warmer, its ability to hold carbon dioxide decreases. When this happens, the gas exchange across the air-ocean boundary is affected. There is now too much CO2 in the atmosphere owing to the disturbance of its air- ocean exchange equilibrium leading to more rise in temperature due to global warming.


20 POINTS!! easy question! pls help it's biology 1!

Answers

It is the third option

Answer:

C.

please give brainliest

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